<template>
    <div class="icons">
        <swiper :options="swiperOption">
            <swiper-slide v-for="(page, index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img">
                        <img class="icon-img-content" :src="item.imgUrl" />
                    </div>
                    <p class="icon-desc">{{ item.desc }}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>

<script>
export default {
    name: 'HomeIcons',
    props: {
        iconList: Array
    },
    data(){
        return{
            swiperOption: {}
        }
    },
    computed: {
        pages(){
            const pages = []
            this.iconList.forEach((item,index)=>{
                const page = Math.floor(index/8) //向下取整
                if(!pages[page]){
                    pages[page] = []
                }
                pages[page].push(item)
            })
            return pages
        }
    }
}
</script>

<style lang="stylus" scoped>
    @import '~styles/varibles.styl'
    @import '~styles/mixins.styl'

    .icons >>> .swiper-container
        height 3.75rem
    .icon
        float left
        position relative
        width 25%
        height 1.875rem
        overflow hidden
        .icon-img
            position absolute
            top 0
            left 0
            right 0
            bottom .44rem
            .icon-img-content
                display block
                width 1.1rem
                margin .2rem auto
        .icon-desc
            position absolute
            left 0
            right 0
            bottom 0
            height .44rem
            line-height .44rem
            text-align center
            color $darkTextColor
            font-size $font10
            ellipsis()
</style>


